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Standard for Fire Safety in Rapid Transit Systems - Singapore Civil ...

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APPENDIX C - cont<strong>in</strong>ued<br />

PART I : WALLS - cont<strong>in</strong>ued<br />

B Framed and composite construction (non-loadbear<strong>in</strong>g)<br />

Construction and materials<br />

1. Steel frame with external cladd<strong>in</strong>g of 16mm render<strong>in</strong>g on metal lath<strong>in</strong>g and <strong>in</strong>ternal l<strong>in</strong><strong>in</strong>g of<br />

autoclaved aerated concrete blocks, density 480-1120 Kg/cu.m. of thickness of -<br />

Period of fire<br />

resistance<br />

(<strong>in</strong> hours)<br />

50mm --------------------------------------------------------------------------------------- 2<br />

75mm --------------------------------------------------------------------------------------- 4<br />

2. Steel frame with external cladd<strong>in</strong>g of 100mm concrete blocks and <strong>in</strong>ternal l<strong>in</strong><strong>in</strong>g of 16mm<br />

gypsum plaster on metal lath<strong>in</strong>g --------------------------------------------------------------------<br />

3. Steel frame with external cladd<strong>in</strong>g of 16mm render<strong>in</strong>g on metal lath<strong>in</strong>g and <strong>in</strong>ternal l<strong>in</strong><strong>in</strong>g of<br />

16mm gypsum plaster on metal lath<strong>in</strong>g ---------------------------------------------------------<br />

4. Steel frame with fac<strong>in</strong>gs on each side of: -<br />

(a) metal lath<strong>in</strong>g with cement-sand or gypsum plaster of thickness of 19mm -------------- 1<br />

(b) metal lath<strong>in</strong>g with vermiculite-gypsum or perlite-gypsum of thickness of -<br />

25mm --------------------------------------------------------------------------------------- 2<br />

12.5mm --------------------------------------------------------------------------------------- 1<br />

(c) 9.5mm plasterboard with vermiculite-gypsum of thickness of -<br />

25mm --------------------------------------------------------------------------------------- 2<br />

10mm --------------------------------------------------------------------------------------- 1<br />

(d) 12.5mm plasterboard with gypsum plaster of thickness of 12.5mm ------------------------- 1<br />

(e) 12.5mm plasterboard with vermiculite-gypsum plaster of thickness of -<br />

25mm --------------------------------------------------------------------------------------- 2<br />

10mm --------------------------------------------------------------------------------------- 1<br />

(f) 19mm plasterboard (or two layers of 9.5mm fixed to break jo<strong>in</strong>t) without f<strong>in</strong>ish -------- 1<br />

(g) 19mm plasterboard <strong>for</strong> two layers of 9.5mm with vermiculite-gypsum plaster of<br />

thickness of 16mm -------------------------------------------------------------------------------<br />

6 Plasterboard 9.5mm cellular core partition with 22mm vermiculite-gypsum plaster --------- 2<br />

7 Plasterboard 12.5mm cellular core partition<br />

(a) 12.5mm gypsum plaster -------------------------------------------------------------------- 1<br />

(b) 16mm vermiculite-gypsum plaster --------------------------------------------------------- 2<br />

8 Plasterboard 19mm f<strong>in</strong>ished on both faces with 16mm gypsum plaster ---------------------- 1<br />

9 Three layers of 19mm plasterboard bonded with heat gypsum plaster ------------------------- 2<br />

<strong>Standard</strong> <strong>for</strong> <strong>Fire</strong> <strong>Safety</strong> <strong>in</strong> <strong>Rapid</strong> <strong>Transit</strong> <strong>Systems</strong> C-3<br />

4<br />

1<br />

2

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